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<FONT color="green">001</FONT>    package org.hackystat.ambientdevice.server;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.File;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.ArrayList;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.List;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.Timer;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.logging.Logger;<a name="line.7"></a>
<FONT color="green">008</FONT>    import javax.xml.bind.JAXBContext;<a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.xml.bind.JAXBException;<a name="line.9"></a>
<FONT color="green">010</FONT>    import javax.xml.bind.Unmarshaller;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.hackystat.ambientdevice.UnexpectedParameterException;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.hackystat.ambientdevice.device.ActionFactory;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.hackystat.ambientdevice.server.configuration.jaxb.Configuration;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.hackystat.ambientdevice.server.configuration.jaxb.Trigger;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.hackystat.ambientdevice.server.configuration.jaxb.Action;<a name="line.15"></a>
<FONT color="green">016</FONT>    import org.hackystat.ambientdevice.server.configuration.jaxb.TriggerActionPair;<a name="line.16"></a>
<FONT color="green">017</FONT>    import org.hackystat.ambientdevice.trigger.TriggerFactory;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    /**<a name="line.19"></a>
<FONT color="green">020</FONT>     * Server class to periodically retrieve data from hackystat severs and change ambient device's<a name="line.20"></a>
<FONT color="green">021</FONT>     * state accordingly.<a name="line.21"></a>
<FONT color="green">022</FONT>     * <a name="line.22"></a>
<FONT color="green">023</FONT>     * @author Shaoxuan Zhang<a name="line.23"></a>
<FONT color="green">024</FONT>     * @author Sonwright M. Gomez<a name="line.24"></a>
<FONT color="green">025</FONT>     * <a name="line.25"></a>
<FONT color="green">026</FONT>     */<a name="line.26"></a>
<FONT color="green">027</FONT>    public class AmbientServer {<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>      /** The list of trigger action timer tasks. */<a name="line.29"></a>
<FONT color="green">030</FONT>      private List&lt;TriggerActionTimerTask&gt; timersTaskList = new ArrayList&lt;TriggerActionTimerTask&gt;();<a name="line.30"></a>
<FONT color="green">031</FONT>      /** The Timer that control the triggers. */<a name="line.31"></a>
<FONT color="green">032</FONT>      private Timer timer = new Timer();<a name="line.32"></a>
<FONT color="green">033</FONT>      /** The logger for logging. */<a name="line.33"></a>
<FONT color="green">034</FONT>      private Logger logger = Logger.getLogger("org.hackystat.ambientdevice");<a name="line.34"></a>
<FONT color="green">035</FONT>    <a name="line.35"></a>
<FONT color="green">036</FONT>      // private String configFilePath =<a name="line.36"></a>
<FONT color="green">037</FONT>      // System.getProperty("user.dir") + "/xml/examples/configuration.example.xml";<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>      /**<a name="line.39"></a>
<FONT color="green">040</FONT>       * Construct this instance with jaxb class that unmarshelled from the configuration xml file.<a name="line.40"></a>
<FONT color="green">041</FONT>       * <a name="line.41"></a>
<FONT color="green">042</FONT>       * @param filePath the relative file path of the configuration file<a name="line.42"></a>
<FONT color="green">043</FONT>       * @throws JAXBException when JAXB encounter errors<a name="line.43"></a>
<FONT color="green">044</FONT>       */<a name="line.44"></a>
<FONT color="green">045</FONT>      public AmbientServer(String filePath) throws JAXBException {<a name="line.45"></a>
<FONT color="green">046</FONT>        if (filePath != null &amp;&amp; !filePath.startsWith(System.getProperty("file.separator"))) {<a name="line.46"></a>
<FONT color="green">047</FONT>          filePath = System.getProperty("file.separator") + filePath;<a name="line.47"></a>
<FONT color="green">048</FONT>        }<a name="line.48"></a>
<FONT color="green">049</FONT>        filePath = System.getProperty("user.dir") + filePath;<a name="line.49"></a>
<FONT color="green">050</FONT>        logger.fine("Loading configuration from " + filePath);<a name="line.50"></a>
<FONT color="green">051</FONT>        initialize(filePath);<a name="line.51"></a>
<FONT color="green">052</FONT>        logger.fine("Configuration Loaded.");<a name="line.52"></a>
<FONT color="green">053</FONT>      }<a name="line.53"></a>
<FONT color="green">054</FONT>    <a name="line.54"></a>
<FONT color="green">055</FONT>      /**<a name="line.55"></a>
<FONT color="green">056</FONT>       * Main method.<a name="line.56"></a>
<FONT color="green">057</FONT>       * <a name="line.57"></a>
<FONT color="green">058</FONT>       * @param args command line arguments.<a name="line.58"></a>
<FONT color="green">059</FONT>       * @throws JAXBException when JAXB encounter errors<a name="line.59"></a>
<FONT color="green">060</FONT>       */<a name="line.60"></a>
<FONT color="green">061</FONT>      public static void main(String[] args) throws JAXBException {<a name="line.61"></a>
<FONT color="green">062</FONT>        if (args.length &lt; 1) {<a name="line.62"></a>
<FONT color="green">063</FONT>          System.out.println("configuration xml file is needed to run the server.");<a name="line.63"></a>
<FONT color="green">064</FONT>          System.exit(1);<a name="line.64"></a>
<FONT color="green">065</FONT>        }<a name="line.65"></a>
<FONT color="green">066</FONT>        AmbientServer server = new AmbientServer(args[0]);<a name="line.66"></a>
<FONT color="green">067</FONT>        server.start();<a name="line.67"></a>
<FONT color="green">068</FONT>      }<a name="line.68"></a>
<FONT color="green">069</FONT>    <a name="line.69"></a>
<FONT color="green">070</FONT>      /**<a name="line.70"></a>
<FONT color="green">071</FONT>       * Start the server.<a name="line.71"></a>
<FONT color="green">072</FONT>       * <a name="line.72"></a>
<FONT color="green">073</FONT>       * @return the timer tasks that scheduled into timer.<a name="line.73"></a>
<FONT color="green">074</FONT>       */<a name="line.74"></a>
<FONT color="green">075</FONT>      public int start() {<a name="line.75"></a>
<FONT color="green">076</FONT>        for (TriggerActionTimerTask timerTask : this.getTriggerActionTimerTask()) {<a name="line.76"></a>
<FONT color="green">077</FONT>          timer.schedule(timerTask, 0, timerTask.getInterval());<a name="line.77"></a>
<FONT color="green">078</FONT>        }<a name="line.78"></a>
<FONT color="green">079</FONT>        logger.finer(timersTaskList.size() + " TriggerActionTimerTasks are registered.");<a name="line.79"></a>
<FONT color="green">080</FONT>        logger.fine("Server is up.");<a name="line.80"></a>
<FONT color="green">081</FONT>        return this.timersTaskList.size();<a name="line.81"></a>
<FONT color="green">082</FONT>      }<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>      /**<a name="line.84"></a>
<FONT color="green">085</FONT>       * Shutdown the server by canceling all scheduled tasks.<a name="line.85"></a>
<FONT color="green">086</FONT>       */<a name="line.86"></a>
<FONT color="green">087</FONT>      public void shutdown() {<a name="line.87"></a>
<FONT color="green">088</FONT>        timer.cancel();<a name="line.88"></a>
<FONT color="green">089</FONT>        timer.purge();<a name="line.89"></a>
<FONT color="green">090</FONT>      }<a name="line.90"></a>
<FONT color="green">091</FONT>      /**<a name="line.91"></a>
<FONT color="green">092</FONT>       * @return the list of timer tasks.<a name="line.92"></a>
<FONT color="green">093</FONT>       */<a name="line.93"></a>
<FONT color="green">094</FONT>      public List&lt;TriggerActionTimerTask&gt; getTriggerActionTimerTask() {<a name="line.94"></a>
<FONT color="green">095</FONT>        return this.timersTaskList;<a name="line.95"></a>
<FONT color="green">096</FONT>      }<a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>      /**<a name="line.98"></a>
<FONT color="green">099</FONT>       * Initialize this server using the configuration file indicated with the file path.<a name="line.99"></a>
<FONT color="green">100</FONT>       * <a name="line.100"></a>
<FONT color="green">101</FONT>       * @param configFilePath the file path of the configuration file<a name="line.101"></a>
<FONT color="green">102</FONT>       * @throws JAXBException when JAXB encounter errors<a name="line.102"></a>
<FONT color="green">103</FONT>       */<a name="line.103"></a>
<FONT color="green">104</FONT>      private void initialize(String configFilePath) throws JAXBException {<a name="line.104"></a>
<FONT color="green">105</FONT>        Configuration configuration = null;<a name="line.105"></a>
<FONT color="green">106</FONT>        logger.finest("Reading information from configuration XML file.");<a name="line.106"></a>
<FONT color="green">107</FONT>        configuration = this.loadConfiguration(configFilePath);<a name="line.107"></a>
<FONT color="green">108</FONT>        TriggerFactory triggerFactory = new TriggerFactory();<a name="line.108"></a>
<FONT color="green">109</FONT>        ActionFactory actionFactory = new ActionFactory();<a name="line.109"></a>
<FONT color="green">110</FONT>        logger.finest("Generating trigger action pairs.");<a name="line.110"></a>
<FONT color="green">111</FONT>        for (TriggerActionPair triggerActionPair : configuration.getTriggerActionPair()) {<a name="line.111"></a>
<FONT color="green">112</FONT>          TriggerActionTimerTask triggerActionTimerTask = new TriggerActionTimerTask();<a name="line.112"></a>
<FONT color="green">113</FONT>          triggerActionTimerTask.setInterval(triggerActionPair.getInterval());<a name="line.113"></a>
<FONT color="green">114</FONT>          for (Trigger trigger : triggerActionPair.getTrigger()) {<a name="line.114"></a>
<FONT color="green">115</FONT>            try {<a name="line.115"></a>
<FONT color="green">116</FONT>              triggerActionTimerTask.getTriggerList().add(triggerFactory.getTrigger(trigger));<a name="line.116"></a>
<FONT color="green">117</FONT>            }<a name="line.117"></a>
<FONT color="green">118</FONT>            catch (UnexpectedParameterException e) {<a name="line.118"></a>
<FONT color="green">119</FONT>              e.printStackTrace();<a name="line.119"></a>
<FONT color="green">120</FONT>            }<a name="line.120"></a>
<FONT color="green">121</FONT>          }<a name="line.121"></a>
<FONT color="green">122</FONT>          for (Action action : triggerActionPair.getAction()) {<a name="line.122"></a>
<FONT color="green">123</FONT>            try {<a name="line.123"></a>
<FONT color="green">124</FONT>              triggerActionTimerTask.getActionList().add(actionFactory.getAction(action));<a name="line.124"></a>
<FONT color="green">125</FONT>            }<a name="line.125"></a>
<FONT color="green">126</FONT>            catch (UnexpectedParameterException e) {<a name="line.126"></a>
<FONT color="green">127</FONT>              e.printStackTrace();<a name="line.127"></a>
<FONT color="green">128</FONT>            }<a name="line.128"></a>
<FONT color="green">129</FONT>          }<a name="line.129"></a>
<FONT color="green">130</FONT>          this.timersTaskList.add(triggerActionTimerTask);<a name="line.130"></a>
<FONT color="green">131</FONT>        }<a name="line.131"></a>
<FONT color="green">132</FONT>        logger.finest("Initialization finish.");<a name="line.132"></a>
<FONT color="green">133</FONT>      }<a name="line.133"></a>
<FONT color="green">134</FONT>    <a name="line.134"></a>
<FONT color="green">135</FONT>      /**<a name="line.135"></a>
<FONT color="green">136</FONT>       * Load the xml file to JAXB generated class.<a name="line.136"></a>
<FONT color="green">137</FONT>       * <a name="line.137"></a>
<FONT color="green">138</FONT>       * @param configFilePath the file path of the configuration file<a name="line.138"></a>
<FONT color="green">139</FONT>       * @return the JAXB generated class<a name="line.139"></a>
<FONT color="green">140</FONT>       * @throws JAXBException when jaxb unmarshall error occur<a name="line.140"></a>
<FONT color="green">141</FONT>       */<a name="line.141"></a>
<FONT color="green">142</FONT>      private Configuration loadConfiguration(String configFilePath) throws JAXBException {<a name="line.142"></a>
<FONT color="green">143</FONT>        JAXBContext configurationJaxbContext = JAXBContext<a name="line.143"></a>
<FONT color="green">144</FONT>            .newInstance("org.hackystat.ambientdevice.server.configuration.jaxb");<a name="line.144"></a>
<FONT color="green">145</FONT>        File configFile = new File(configFilePath);<a name="line.145"></a>
<FONT color="green">146</FONT>        Unmarshaller unmarshaller = configurationJaxbContext.createUnmarshaller();<a name="line.146"></a>
<FONT color="green">147</FONT>        return (Configuration) unmarshaller.unmarshal(configFile);<a name="line.147"></a>
<FONT color="green">148</FONT>      }<a name="line.148"></a>
<FONT color="green">149</FONT>    }<a name="line.149"></a>




























































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